The HYV Hydration Journal
Everything You Need to Know About Drinkware
Buying guides, honest comparisons, care tips, and hydration science — written by the people who obsess over bottles.
100+
Articles
7
Categories
BIS
Certified Content
Food grade steel
HYV
Materials
Is Stainless Steel Water Bottle Safe? The Complete Guide
Is stainless steel safe for daily use in water bottles? Everything about grades, coatings, and food safety.
HYV
Materials
Surgical Grade vs Food Grade Stainless Steel: What Your Water Bottle Actually Uses
Surgical grade (316) vs food grade (304) stainless steel for water bottles — why Grade 304 is the correct standard and why BIS certification matters more than grade claims.
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